mixture-ratio control

例句：

1. 1. The engineer must carefully monitor the mixture ratio to ensure the final product meets quality standards.
   工程师必须仔细监控混合物比例，以确保最终产品符合质量标准。
2. 2. During the mixing process, the operator must maintain a consistent mixture ratio to achieve optimal results.
   在混合过程中，操作员必须保持一致的混合物比例，以获得最佳结果。
3. 3. The manufacturer has implemented a mixture ratio control system to improve product consistency and reduce waste.
   制造商已经实施了一个混合物比例控制系统，以提高产品的一致性并减少浪费。